Airtac SCD Standard Cylinder SCD200X350S
The AirTAC Airtac SCD Standard Cylinder SCD200X350S is a genuine double-acting DOUBLE-ROD air cylinder: the Ø40mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø200mm bore, 350mm stroke, PT3/4 ports and adjustable end cushioning.
- BoreØ200 mm
- Rod (both ends)Ø40 mm
- Stroke350 mm
- Port sizePT3/4
- Rod configDouble rod (through)
- CushionAdjustable, 33 mm
About the Airtac SCD Standard Cylinder SCD200X350S
The SCD200X350S delivers a substantial 15080 N of thrust in both directions at 0.5 MPa, a direct result of its double-rod architecture where the 40 mm rod passes through both end caps. This symmetrical force output, which climbs to 27143 N at the maximum 0.9 MPa operating pressure, makes it a dependable choice for heavy linear tasks that demand identical power on the extend and retract strokes.
With a 350 mm stroke and a body length A(SCD) of 362 mm, this cylinder provides a generous working envelope while the through-rod design offers inherent anti-rotation and can support tooling or a sensor flag on the rear end. The integrated magnet, denoted by the 'S' suffix, allows for direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for precise, non-contact position feedback.
Airtac SCD Standard Cylinder SCD200X350S Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD200X350S |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 350 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 33 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø200mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | 21111 N |
| Max (@1.0 MPa) | 3075 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCD Standard Cylinder SCD200X350S
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 200 | Bore size in mm. |
| ×350 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCD Standard Cylinder SCD200X350S Is Used
Symmetrical Transfer Shuttles
Uses the equal 15080 N push/pull force to smoothly shuttle heavy pallets or fixtures between two stations without speed or power imbalance.
Heavy-Duty Non-Rotating Pushers
The dual 40 mm rods provide superior guidance, making it ideal for pushing large components onto a conveyor where rod twist must be eliminated.
Dual-End Stroke Sensing
The built-in magnet allows sensors to be placed on the rear rod's path, confirming full retraction of a rear-mounted tool or verifying the home position of a dual-end actuator.
Is the Airtac SCD Standard Cylinder SCD200X350S the Right Cylinder?
Step up to this 200 mm bore when the 160 mm bore's 9425 N at 0.5 MPa is insufficient for the required work, but verify that your mounting structure can handle the SCD200's larger body and reaction forces. If your application only needs force in one direction, a single-rod SC series cylinder would be a more economical and compact alternative. For strokes of 350 mm, be mindful of potential rod deflection under high side loads; an external guide rail or a switch to a guided cylinder is recommended if the load is not perfectly axial.
This SCD200X350S is a direct, form-fit replacement for another AirTAC SCD200 cylinder only when these five points match: 200 mm bore, 350 mm stroke, PT port thread, basic mounting style, and the presence of the -S magnet option. It is not dimensionally interchangeable with ISO 15552 cylinders.
Double-rod checklist
- ✓ Need equal force / speed both directions?
- ✓ Rear rod for tooling, stopper or sensor flag?
- ✓ Better rod guidance / anti-rotation?
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep BOTH rod ends clear of side load and interference.
- check Adjust end cushion screws for smooth stops.
- check Use SCD mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCD Standard Cylinder SCD200X350S FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. It produces 15080 N at 0.5 MPa, 21111 N at 0.7 MPa, and 27143 N at the maximum operating pressure of 0.9 MPa.
Choose the SCD200 when you need perfectly equal force and speed in both directions, want to mount a tool or sensor flag on the rear rod, or require the superior anti-rotation guidance that a through-rod design offers. If you only need a powerful push stroke, a single-rod SC200 cylinder is a simpler and more cost-effective solution.
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